
class User:

    name = ''

    age = 0

    gender = ''

    def __init__(self,name="小王",age=18,gender="男"):
        self.name = name
        self.age = age
        self.gender = gender

    def __repr__(self):
        return '{name:'+self.name+",age:"+str(self.age)+",gender:"+self.gender+"}"